Car comparison

Mercedes-Benz C-class Coupe (C205) · Facelift 2018 C 300vsMercedes-Benz X-class X 350d V6

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz C-class Coupe (C205) · Facelift 2018

C 300

258 hp1991 ccGasolineAWDAutomaticTurbochargedCoupe2019-2020

Mercedes-Benz X-class

X 350d V6

258 hp2987 ccDieselAWDAutomaticTurbochargedPickup2018-2020

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300

Quickest 0-100 km/h
6.3 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
258 hp
192 kW
Lightest
1,605 kg
3,538 lb
Best power-to-weight
161 hp/t
120 kW/t
6.2 kg/hp
Lowest combined fuel consumption
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
Lowest city consumption
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Lowest highway consumption
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
Best estimated range
943 km
586 mi
Best performance score
61/100
Best economy score
88/100

Mercedes-Benz X-class X 350d V6

Highest torque
550 Nm
406 lb-ft
Best overall score
61/100
Best practicality score
83/100

Specification comparison

Specification comparison
Model	Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	Mercedes-BenzX-classX 350d V6
Power	258hp192kW	258hp192kW
Torque	370Nm273lb-ft	550Nm406lb-ft
Curb weight	1,605kg3,538lb	2,259kg4,980lb
Gross weight	2,175kg4,795lb	3,250kg7,165lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	205 km/h 127 mph
To 99% top speed	85.9s99% target: 257 km/h / 160 mph Calculated	111.9s99% target: 203 km/h / 126 mph Calculated
0-100 km/h	6.3s	7.9s
0-200 km/h	22.8s Calculated	83.3s Calculated
0-60 mph	6.0s Calculated	7.4s Calculated
Fuel consumption	7L/100 km33.6mpg US40.4mpg UK	9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city	8.9L/100 km26.4mpg US31.7mpg UK	10.2L/100 km23.1mpg US27.7mpg UK
Fuel consumption highway	5.9L/100 km39.9mpg US47.9mpg UK	8.3L/100 km28.3mpg US34.0mpg UK
Quarter mile	14.3s Calculated	15.8s Calculated
Power-to-weight	161hp/t120kW/t73hp/1000 lb Calculated	114hp/t85kW/t52hp/1000 lb Calculated
Torque-to-weight	231Nm/t154lb-ft/ton Calculated	243Nm/t163lb-ft/ton Calculated
Estimated range	943km586mi Calculated	811km504mi Calculated
Displacement	1,991cc121cu in	2,987cc182cu in
Length	4,686mm184in	5,340mm210in
Width	1,810mm71in	1,920mm76in
Height	1,405mm55in	1,819mm72in
Wheelbase	2,840mm112in	3,150mm124in
Front track	1,567mm62in	1,632mm64in
Rear track	1,551mm61in	1,625mm64in
Ground clearance	-	202mm8in
Trunk volume	380L	-
Doors	2	4
Seats	4	5
Fuel tank	66L	73L
CO2 emissions	-	237g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300Mercedes-Benz X-class X 350d V6PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	-	1,800-4,000 rpm	4,250 rpm
Mercedes-BenzX-classX 350d V6	3,400 rpm	1,400-3,200 rpm	3,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	Mercedes-BenzX-classX 350d V6
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.0 s	7.4 s
0-100 km/h 0-62 mph	6.3 s	7.9 s
0-200 km/h 0-124 mph	22.8 s	83.3 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited	205 km/h 127 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.3 s
330 ft 101 m	6.3 s	6.4 s
1/8 mile 201 m	9.4 s	10.0 s
1000 ft 305 m	12.1 s	13.1 s
1/4 mile 402 m	14.3 s	15.8 s
Trap speed 1/4 mile 402 m	163 km/h 101 mph	137 km/h 85 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	258 hp 192 kW
Mercedes-BenzX-classX 350d V6	258 hp 192 kW

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	370 Nm 273 lb-ft
Mercedes-BenzX-classX 350d V6	550 Nm 406 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	1,605 kg 3,538 lb
Mercedes-BenzX-classX 350d V6	2,259 kg 4,980 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Mercedes-BenzX-classX 350d V6	205 km/h 127 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	6.3 s
Mercedes-BenzX-classX 350d V6	7.9 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300 and Mercedes-Benz X-class X 350d V6: 1.6 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	7.0 L/100 km 33.6 mpg US 40.4 mpg UK
Mercedes-BenzX-classX 350d V6	9.0 L/100 km 26.1 mpg US 31.4 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300 and Mercedes-Benz X-class X 350d V6: 2.0 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	161 hp/t 120 kW/t 6.2 kg/hp
Mercedes-BenzX-classX 350d V6	114 hp/t 85 kW/t 8.8 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	943 km 586 mi
Mercedes-BenzX-classX 350d V6	811 km 504 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	258 hp 192 kW	6.3 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Mercedes-BenzX-classX 350d V6	258 hp 192 kW	7.9 s	205 km/h 127 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300

Power	258 hp 192 kW
0-100 km/h	6.3 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	380 L 13.4 cu ft
Length	4,686 mm 184.5 in
Height	1,405 mm 55.3 in

Mercedes-BenzX-classX 350d V6

Power	258 hp 192 kW
0-100 km/h	7.9 s
Top speed 205 km/h 127 mph

Doors/seats	4 doors 5 seats
Trunk	-
Length	5,340 mm 210.2 in
Height	1,819 mm 71.6 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300

Power	258 hp 192 kW
0-100 km/h	6.3 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

7.0 L/100 km

33.6 mpg US

40.4 mpg UK

Mercedes-BenzX-classX 350d V6

Power	258 hp 192 kW
0-100 km/h	7.9 s
Top speed 205 km/h 127 mph

9.0 L/100 km

26.1 mpg US

31.4 mpg UK

Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	7.0 L/100 km 33.6 mpg US 40.4 mpg UK	6.3 s
Mercedes-BenzX-classX 350d V6	9.0 L/100 km 26.1 mpg US 31.4 mpg UK	7.9 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	161 hp/t 120 kW/t 6.2 kg/hp	7.0 L/100 km 33.6 mpg US 40.4 mpg UK
Mercedes-BenzX-classX 350d V6	114 hp/t 85 kW/t 8.8 kg/hp	9.0 L/100 km 26.1 mpg US 31.4 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300

Mercedes-BenzX-classX 350d V6

Power

258 hp

192 kW

258 hp

192 kW

Torque

370 Nm

273 lb-ft

550 Nm

406 lb-ft

Acceleration

6.3 s

7.9 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

205 km/h

127 mph

Lightness

1,605 kg

3,538 lb

2,259 kg

4,980 lb

Fuel consumption

7.0 L/100 km

33.6 mpg US

40.4 mpg UK

9.0 L/100 km

26.1 mpg US

31.4 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	380 L 13.4 cu ft
Length	4,686 mm 184.5 in
Height	1,405 mm 55.3 in

Doors/seats	4 doors 5 seats
Trunk	-
Length	5,340 mm 210.2 in
Height	1,819 mm 71.6 in

Range score

943 km

586 mi

811 km

504 mi

CO2 score

237 g/km

Trunk score

380 L

13.4 cu ft

Power-to-weight score

161 hp/t

120 kW/t

6.2 kg/hp

114 hp/t

85 kW/t

8.8 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300	Mercedes-Benz X-class X 350d V6
Consumption	7 L/100 km33.6 mpg US40.4 mpg UK	9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km	12.25 LC100 km	15.75 LC100 km
Cost / 100 mi	19.71 LC100 mi	25.35 LC100 mi
Annual fuel used	1,050 L277 US gal231 UK gal	1,350 L357 US gal297 UK gal
Annual fuel cost	1,838 LC/year	2,363 LC/year